Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1990-12-14
1992-10-27
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03305473
REFERENCES:
patent: D245109 (1977-07-01), Yoshioka
patent: D256252 (1980-08-01), Burridge
patent: D272347 (1984-01-01), Kaczkos
patent: D286047 (1986-10-01), Roots et al.
patent: D287370 (1986-12-01), Stoll et al.
patent: D289414 (1987-04-01), Peters et al.
At Magazine, Feb., 1985 p. 149, Trackhouse Keypad Computer Box Group 290.
Information Week, Jan. 28, 1985 p. 65, ITT Compact low profile Keyboard (right), Computer Box Group 290.
Hall Douglas B.
Howe David J.
Burke Wallace R.
Nunn Freda S.
Richard Saunders International, Inc.
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